diff --git a/language/types/float.xml b/language/types/float.xml
index b111c4baaf..afb3621c7e 100644
--- a/language/types/float.xml
+++ b/language/types/float.xml
@@ -1,6 +1,6 @@
 <?xml version="1.0" encoding="utf-8"?>
 <!-- $Revision$ -->
-<sect1 xml:id="language.types.float">
+<sect1 xml:id="language.types.float" xmlns:xlink="http://www.w3.org/1999/xlink">
  <title>Floating point numbers</title>
 
  <para>
@@ -71,6 +71,11 @@ EXPONENT_DNUM [+-]?(({LNUM} | {DNUM}) [eE][+-]? {LNUM})
    necessary, the <link linkend="ref.bc">arbitrary precision math functions</link>
    and <link linkend="ref.gmp">gmp</link> functions are available.
   </para>
+  
+  <para>
+   For a "simple" explanation, see the <link xlink:href="&url.floating.point.guide;">floating point guide</link>
+   that's also titled "Why don’t my numbers add up?"
+  </para>
  </warning>
 
  <sect2 xml:id="language.types.float.casting">